209413680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4075

約数の個数: 160

約数和(自身を含む): 766046208

約数和(自身を除く): 556632528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4021, 4340, 5208, 6510, 7440, 8042, 8680, 10416, 12063, 13020, 16084, 17360, 20105, 24126, 26040, 28147, 32168, 40210, 48252, 52080, 56294, 60315, 64336, 80420, 84441, 96504, 112588, 120630, 124651, 140735, 160840, 168882, 193008, 225176, 241260, 249302, 281470, 321680, 337764, 373953, 422205, 450352, 482520, 498604, 562940, 623255, 675528, 747906, 844410, 872557, 965040, 997208, 1125880, 1246510, 1351056, 1495812, 1688820, 1745114, 1869765, 1994416, 2251760, 2493020, 2617671, 2991624, 3377640, 3490228, 3739530, 4362785, 4986040, 5235342, 5983248, 6755280, 6980456, 7479060, 8725570, 9972080, 10470684, 13088355, 13960912, 14958120, 17451140, 20941368, 26176710, 29916240, 34902280, 41882736, 52353420, 69804560, 104706840, 209413680]

約数ペア:

[(1, 209413680), (2, 104706840), (3, 69804560), (4, 52353420), (5, 41882736), (6, 34902280), (7, 29916240), (8, 26176710), (10, 20941368), (12, 17451140), (14, 14958120), (15, 13960912), (16, 13088355), (20, 10470684), (21, 9972080), (24, 8725570), (28, 7479060), (30, 6980456), (31, 6755280), (35, 5983248), (40, 5235342), (42, 4986040), (48, 4362785), (56, 3739530), (60, 3490228), (62, 3377640), (70, 2991624), (80, 2617671), (84, 2493020), (93, 2251760), (105, 1994416), (112, 1869765), (120, 1745114), (124, 1688820), (140, 1495812), (155, 1351056), (168, 1246510), (186, 1125880), (210, 997208), (217, 965040), (240, 872557), (248, 844410), (280, 747906), (310, 675528), (336, 623255), (372, 562940), (420, 498604), (434, 482520), (465, 450352), (496, 422205), (560, 373953), (620, 337764), (651, 321680), (744, 281470), (840, 249302), (868, 241260), (930, 225176), (1085, 193008), (1240, 168882), (1302, 160840), (1488, 140735), (1680, 124651), (1736, 120630), (1860, 112588), (2170, 96504), (2480, 84441), (2604, 80420), (3255, 64336), (3472, 60315), (3720, 56294), (4021, 52080), (4340, 48252), (5208, 40210), (6510, 32168), (7440, 28147), (8042, 26040), (8680, 24126), (10416, 20105), (12063, 17360), (13020, 16084)]